Journal
IEEE PHOTONICS TECHNOLOGY LETTERS
Volume 30, Issue 3, Pages 285-288Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2017.2785619
Keywords
Solid-state laser; longitudinally diode-pumped; passive Q-switching; dual-wavelength laser; 1.1 mu m
Funding
- Science Technology Innovation Project of Xiamen [3502Z201730404]
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Longitudinally diode-pumped continuous-wave dual-wavelength Nd:YAG laser at 1116 and 1123 nm is achieved with maximum output power of 8.18 W and slope efficiency of 42.3%. Using WS2 as saturable absorber, passive Q-switching of the dual-wavelength laser is also achieved with a maximum average output power of 0.41 W, the shortest pulse width of about 0.64 mu s at pulse repetition rate of 100.9 kHz. The present Q-switched laser operation leads to maximum pulse energy of 4.06 mu J and pulse peak power of 6.35 W. A 2-D material WS2 has been experimentally confirmed to be very promising as Q switcher at 1.1 mu m, for the first time to our knowledge.
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